var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

var app = express();

var options={
  dotfiles:'ignore',
  etag:false,
  extensions:['html','htm'],
  index:false,
  maxAge:'id',
  redirect:false,
  setHaders:function(res,path,stat){
    res.set('x-timestamp',Date.now());
  }
}

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public'),options));

app.use(function(req,res ,next){
   let token ='sdfghjkertyuixcvbnjrcdfyvg';
   var accessToken=req.query.token;
   if(accessToken===token){
    next();
   }else{
    res.send({
      errCode:1,
      errMsg:'请求包含 token'
    });
   }
});
app.use(function(req,res,next){
  let fs =require('fs');
  let ip=req.ip;
  let time =new Date().toLocaleString();
  let data =fs.readFileSync('./web.log');
  data +='访问时间:'+time+',ip'+ip+'\n';
  fs.writeFileSync('./web.log',data);
  next();
})

app.use('/', indexRouter);
app.use('/users', usersRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
